Home / 1,207,613.40-1,666,372.60-724,198.92

Finding the Fourth Proportional to 1,207,613.40, 1,666,372.60 and 724,198.92

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Solution

The fourth proportional to 1,207,613.40, 1,666,372.60 and 724,198.92 is: 999,314.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,613.40 : 1,666,372.60 = 724,198.92 : x
  2. Step 2: Convert to fraction form
    1,207,613.40/1,666,372.60 = 724,198.92/x
  3. Step 3: Cross multiply
    1,207,613.40x = 1,666,372.60 × 724,198.92
  4. Step 4: Simplify right side
    1,207,613.40x = 1,206,785,237,237.59
  5. Step 5: Solve for x
    x = 1,206,785,237,237.59/1,207,613.40
  6. Step 6: Final answer
    x = 999,314.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.